Mixer



W. H. LYLE.

MIXER.

APPLICATION FILED APR. 5,1919.

1 ,370,329. Patented Mar. 1, 1921.

WILLIAM H. LYLE, OF LIVE OAK, FLORIDA.

MIXER.

Specification of Letters Patent.

Patented Mar. 1 1921.

Application filed April 5, 1919. Serial No. 287,741.

To all whom it may concern Be it known that I, VILLIAM H. LYLE, a citizen of-the United States, residing at Live Oak, in the county of Suwanee and State of Florida, have invented certain new and useful Improvements in Mixers, of which the following is' aspecification, reference being had to the accompanying drawings.

Experience has disclosed the fact that an intermixture of a liquid hydrocarbon (such as gasolene or kerosene) and air in the carbureter, is frequently incomplete, in fact the liquid hydrocarbon is not at all times thoroughly volatilized, and in such cases, there is a considerable waste of the fuel, particularly due to the imperfect mixture, and also due to the inferior volatilization of the hydrocarbon.

The invention as herein set forth and illustrated, particularly is adapted for use in a suitable location between the carburetor and the intake manifold of the engine, primarily devises to overcome the improper or imperfect mixing of a liquid hydrocarbon and air, and to produce a thorough and complete volatilization of the hydrocarbon, so phat more power may be obtained from the uel.

However, devices of this kind have been heretofore produced, but in these devices there exist various objectionable features. For instance, while there has been provided screening members of various shapes and constructions for the purpose of breaking up and causing a thorough intermingling of the hydrocarbon particles and air, it has been found that the perforations of the screen members become choked or clogged, in fact they almost stop up and consequently give considerable trouble.

In the present device it is the aim to provide an improved mixer or vaporizer, involving the means whereby the liquid hydrocarbon and air is gradually contracted, and means for suddenly spreading and deflecting the hydrocarbon and air, whereby the liquid hydrocarbon and air will be given a much faster travel, on its passage to the intake manifold, as a result of the suction created on the intake stroke of the piston.

More specifically, the invention aims to provide a device of this kind consisting of a pair of cone members, a lower cone member inverted and having its upper apex end open, and a superimposed smaller conemember, itsbase facing in a direction toward the intake manifold axially, and its apex extending in a direction downward toward the pipe leading to the carbureter, and disposed axially of the contracted open apex of the lower cone member, whereby the liquid hydrocarbon and the air isfirstgradually contracted to a small stream for passage through the contracted open end of the lower member, and when such mixture escapes through the contracted opening, it suddenly spreads, owin to its being deflected by the conical sides of the superimposed cone member. It has been found that in handling the liquid hydrocarbon and air,

that is the mixture thereof, the mixture has.

a much faster travel during its passage to the combustion chamber of the engine.

This increased travel is considerably due to the fact of gradually contracting or confining the mixture, and then allowing it to suddenly spread, the spreading action being considerably emphasized due to the provision of the superimposed deflecting cone member.

It may be thought that the present device will be open to the same objections as raised to the screen mixers, since the opening at the top of the lower cone member appears to be of a fairly small diameter. A contention of this kind would not be well founded, since experience has shown that the act of confining a volume of fluid or a liquid hydrocarbon and air, or the gradual confinement or contraction of air, and then allowing it to suddenly he released and subsequently allowed to spread, due to the provision of positive means for such action, the dust and foreign particles will pass very quickly through the openin Also in devices of this ind heretofore used, wherein the screen member is eliminated, the mixture or fuel is allowed to pass through a lower cone member, the contraction or confinement of the mixture or fuel has not been found sufficient to give the best results. In this style of device the fuel or mixture is allowed to freely scatter after passing through a lower cone member, the mixture not being at all confined or contracted at the time of its passage through the lower cone member, nor in such devlce has there been provided any means for suddenly spreading the mixture, incidentall after itspassage through the lower cone ios member. In fact, in such construction, it has been found that the cone, members are entirely too remote, and furthermore, the superimposed cone member is perforated, and as before stated perforations or openings in screen members will tend to clog or choke, thereby lessening the chances of a thorough and complete mlxture of the liquid hydrocarbon and air.

These features are entirely eliminated by the construction of the present device, it being a further aim of the invention to gradually, but not too gradually, contract or confine the liquid hydrocarbon and air in a homogeneous mass, in fact causing the particles of the liquid hydrocarbon to become thoroughly and completely volatilized, and then mlxed with the air, and then the homogeneous mass is suddenly released, and by the superimposed deflecting cone member the mixture positively spreads, and it has been found that a charge or a mixture of this kind, will'not only increase the power of the engine, but will also increase the mileage per gallon of fuel.

Furthermore, it has been found that b the use of a device of the present kin gasolene, kerosene, or a fairly low grade of fuel may be used, and furthermore, a mixture of kerosene and gasolene, that is half and half, may be employed. Also, it has been found that after an engine has become hot, it having been started cold, it is possible to change from the half and half mixture to kerosene alone, and yet at the same time attain the desired results.

It has also been found that by the use of a device of the present kind that a cold engine or motor can be started ver much easier, and that there will be considerable savings in fuel.

When the mixture is suddenly released and allowed to spread, as heretofore stated, the vacuum, due to the suction created in the intake manifold on the intake stroke of the piston, will 'be completely filled by the released volume ofmixture, and by so contracting or confining the mixture, the liquid hydrocarbon and air will be so thoroughly mixed that while it may be imagined that the mixture is great in volume, yet at the same time the amount of the mixture when released, will be less than that which is heretofore allowed to fill the vacuum.

While the design and construction at present illustrated and set forth, is deemed preferable, it is obvious that as a result of a reduction of the invention to a more ractical form for commercial purposes, t e invention may be susceptible to changes, and the right to thesechanges is claimed, pro vided they are comprehended within the scope of what is claimed.

The invention comprises further features and combination of parts, as will be hereinview of the mixer or vaporizer.

Fig. 3 is a vertical sectional view on line 3-3 of Fig. 2, more clearly showing the specific construction of the mixer.

Fig. 4 is a detail perspective View of the upper part of one of the arms 11, showing the bend and the detail of construction of the same.

Referring more especially to the drawings 1 designates a pipe or extension leading from a carbureter, and 2 denotes the end portion of an intake manifold 3. The adjacent ends of the extension 1 and the end portion 2 of the manifold are provided with like flanges 4 and 5, which are bolted together by means of the bolts 6, and 7 denotes the vaporizer or mixer as a whole. This mixer or vaporizer comprises a dominant cone member 8, which may have any suitable taper, preferably as illustrated. The lower marginal portion of the cone member 8 has an annular fiange9, which is positioned between the adjacent flanges 4 and 5,- thereby acting to clamp and support the vaporizer in position. It is to be observed that the cone member 8 is inverted,- that is its larger portion extending downwardly and axially in a direction with the pipe 1, and its smaller or open apex end extending upwardly axially with the extension 2. ,It is obvious that the open apex end 10 may be of any suitable diameter, it

depending upon the taper or conical contour of the cone member. A pair of upright arms or supports 11 rise upwardly from the cone member, and have their lower ends secured in any suitable manner to diametrically opposite portions of the cone member, as by riveting or solderin as indicated at 12.

A mixture deflecting and spreading member 13, which in the present instance is conical or tapering, is arranged in a superimposed relation with the lower or dominant cone member 8. This superimposed cone memberor spreader has its apex end extending downwardly axially with relation to the contracted opening of the lower'or dominant cone member, so that when the mixture is suddenly released or allowed to pass through the opening of the lower cone member, it suddenl spreads or is deflected by the conical sur aceof the superimposed cone member. It is obvious that the. superimposed cone member may be disposed in various relative positions to the dominant or lower cone member, it depending entirely upon the diameter of the extension 1 of the carbureter and the end portion 2 of the intake manifold, and also depending upon the desired result to be attained. The wall of the superimposed cone member is provided with diametrically opposite slots or openings 14, and the upper ends of the arms or supports have reduced extensions 15, which engage the inner surface of the conical wall of the superimposed cone member, and are inserted through the slots, and are subsequently rebent as shown at 16, whereby the extremities may be disposed between portions of the upstanding arms and the undersurface of the superimposed cone member. It is obvious that other means of fastening the superimposed cone member may be employed, there being no attempt to limit the details of construction.

The liquid hydrocarbon on its passage from the carbureter and the air, which is mixed in the usual manner in the carbureter, isconfined or contracted by the lower cone member for passage through the small opening at the top of the lower cone memher. It is obvious that when this mixture is allowed to pass through the opening, thereby being suddenly released beyond the upper end of the lower cone member, the mixture is allowed to spread suddenly, by contact with the end conical wall of the superimposed cone member. The act of confining or contracting the mixture by the. lower cone member, the hydrocarbon becomes volatilized and thoroughly intermingled with the air, due to the compression, and owing to such mixture being finally and suddenly released and allowed to spread, the hydrocarbon is further and more completely volatilized and mixed with the air, due to this sudden spreading.

The invention having been set forth, what is claimed as new and useful is:

An auxiliary fuel mixer for fuel conduits, comprising fuel confining and spreading elements, the confining element being of a gradual truncated taper, the spreading element being conical and inverted and having a closed apex, the larger end of the spreading element being of a greater diameter than the smaller end of the confining element, said spreading element being hollow, thereby providing a dead space above the spreading element, thereby assisting in causing the fuel to unite at a point beyond the dead space after passing over the edge of the larger end of the spreading element, said confining element having a through passage terminating in a contracted outlet opening immediately under and concentric with the closedapex, thereby directing the fuel toward the apex, whereby the fuel may spread readily in conformity with the conical surface of the spreading element.

In testimony whereof I hereunto aflix my signature in the presence of two witnesses.

WILLIAM H. LYLE. Witnesses:

C. It. OCAIN,

WORTH DEXTER. 

